// JavaScript Document
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);


// Function to walk up document structure from nav roll-over element
//     to determine X-Y coordinates of nav element for DHTML drop-down nav
//     layer positioning
function getNavPosition(elemID) {
	var objNavUp=document.getElementById(elemID);var offsetLeft=0;var offsetTop=0;
	while (objNavUp) { offsetLeft+=objNavUp.offsetLeft;offsetTop+=objNavUp.offsetTop;objNavUp=objNavUp.offsetParent; }
	return {left:offsetLeft, top:offsetTop};
}

// Function to show roll-over state of nav element and 
//     show DHTML drop-down nav layer if it exists
function showNav(elemID) {
	x = getNavPosition("hnav_"+elemID);
	if(elemID!=section) {
		MM_swapImage('hnav_'+elemID,'','/images/hnav_'+elemID+'_over.gif',1);
	}
	if(document.getElementById("dNav"+elemID)) {
		if(elemID=="kids") {
			x.left = x.left - 33;
		}
		document.getElementById("dNav"+elemID).style.visibility = "visible";
		document.getElementById("dNav"+elemID).style.left = x.left+"px";
		document.getElementById("dNav"+elemID).style.top = (x.top+37)+"px";
	}
}

// Function to return roll-over state of nav element to original and
//     hide DHTML drop-down nav layer if it exists
function hideNav(elemID) {
	if(elemID!=section) {
		MM_swapImgRestore();
	}
	if(document.getElementById("dNav"+elemID)) {
		document.getElementById("dNav"+elemID).style.visibility = "hidden";
	}
}

// Function to walk up document structure from nav roll-over element
//     to determine X-Y coordinates of nav element for DHTML drop-down nav
//     layer positioning
function getNavPosition(elemID) {
	var objNavUp=document.getElementById(elemID);var offsetLeft=0;var offsetTop=0;
	while (objNavUp) { offsetLeft+=objNavUp.offsetLeft;offsetTop+=objNavUp.offsetTop;objNavUp=objNavUp.offsetParent; }
	return {left:offsetLeft, top:offsetTop};
}

// Function to show roll-over state of nav element and 
//     show DHTML drop-down nav layer if it exists
var menuVisible = 0;

function showMenu(elemID,offx,offy) {
	if(menuVisible) {
		hideMenu(elemID);
	}
	else {
		x = getNavPosition("btn_"+elemID);
		if(document.getElementById("menu"+elemID)) {
			document.getElementById("menu"+elemID).style.visibility = "visible";
			document.getElementById("menu"+elemID).style.left = (x.left+offx)+"px";
			document.getElementById("menu"+elemID).style.top = (x.top+offy)+"px";
		}
		menuVisible = 1;
	}
}

// Function to return roll-over state of nav element to original and
//     hide DHTML drop-down nav layer if it exists
function hideMenu(elemID) {
	if(document.getElementById("menu"+elemID)) {
		document.getElementById("menu"+elemID).style.visibility = "hidden";
	}
	menuVisible = 0;
}

// Function to allow popups

function popUp(url,name,width,height,menubar,scrollbars,resizable,location,status,directories,toolbar){
	window.open(url,name,"width=" + width + ",height=" + height + ",menubar=" + menubar + ",scrollbars=" + scrollbars + ",resizable=" + resizable + ",location=" + location + ",status=" + status + ",directories=" + directories + ",toolbar=" + toolbar)
}